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Abstract
Introduction Acute appendicitis is one of the most common surgical diseases in the general population, but it rarely happens after orthotopic liver transplantation (OLT). The impaired immune function in these patients usually predisposes them to a delay in diagnosis owing to an atypical presentation, which might increase complications including death. The immunosuppression regimen after liver transplantation included the steroid methylprednisolone, tacrolimus, mycophenolate mofetil, and interleukin-2 receptor monoclonal antibody (basiliximab). The peripheral white blood cell count was elevated to 11 × 109/L with 87% neutrophils, 8% lymphocytes, and 4% monocytes on the 1st day but the count increased to 17 × 109/L and 22 × 109/L 2 days after the onset of abdominal pain. The reported incidence of acute appendicitis in liver transplant recipients is 0.01-0.49%. [1] reported that only 2% of solid organ transplant patients experienced appendicitis, and the median time from transplantation to emergency surgery was 2.4 years (range: 0.1-20.0 years). In liver transplant recipients, especially in the early stage of the postoperative period (< 14 days), acute inflammation is atypical owing to the use of immunosuppressive and antibiotic therapy. Acute appendicitis in liver transplant recipients.